Practice Current Characteristics (80.1.2) - Differential Amplifier : Analysis and Numerical Examples (Contd.)(Part B)

Practice: Current Characteristics

Lesson 80.1.2Differential Amplifier : Analysis and Numerical Examples (Contd.)(Part B)

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8 questions

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6 sample questions

Question 1.
What does BJT stand for?
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Think about transistors that are used in amplifiers.
Question 2.
What is the function of a current source in a circuit?
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Consider how this is beneficial for stabilizing signals.
3Question 3.
What is the primary advantage of using a tail current source in a differential amplifier?
- A. Provides a variable current
- B. Reduces common mode gain
- C. Increases input impedance
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Consider how a consistent current affects signal quality.
4Question 4.
True or False: The input common mode range is necessary for avoiding distortion in output signals.
- True
- False
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Think about distortion effects over voltage changes.
Question 5.
Design a differential amplifier circuit using both BJTs and MOSFETs to achieve a specific gain of 10 while maintaining a stable common mode range. Describe your design approach.
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Remember to balance the strengths of both BJTs and MOSFETs in your design.
Question 6.
Given a differential amplifier's upper common mode limit of 9V and a lower limit of 2.3V, how would you select resistor values to keep the output resistance stable while ensuring a differential gain of 8?
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Estimate voltage drops across resistors while calculating.

4 more questions in this section. Enroll free to practise them all.